CVE-2026-84035: IBM Guardium Data Protection stack-based buffer overflow

CVE-2026-84035 · Severity: high · CVSS 8.1 · Published 2026-10-08

IBM Guardium Data Protection is a database security appliance that monitors and protects sensitive data in enterprise databases. A remote attacker can exploit a stack-based buffer overflow vulnerability to execute arbitrary code on affected systems, potentially allowing complete compromise of database security controls and access to protected data.

Technologies: IBM Guardium Data Protection. Vendors: IBM.

Quick answers

Is CVE-2026-84035 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-84035 being exploited in the wild.
How severe is CVE-2026-84035?
High severity, with a CVSS score of 8.1, published 8 October 2026.
Which products and versions are affected?
IBM Guardium Data Protection 12.0, 12.1, 12.2.
Is there a fix for CVE-2026-84035?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-84035 attacked?
It is attacked over the network.
Am I affected by CVE-2026-84035?
Check whether you run IBM Guardium Data Protection at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stack-based buffer overflow (CWE-121) in the Sniffer component of IBM Guardium Data Protection allows remote code execution. The vulnerability is triggered by sending specially crafted network packets to a monitored database connection; no authentication or user interaction is required, though the attack has high complexity due to memory layout requirements.

Affected products

  • IBM Guardium Data Protection 12.0, 12.1, 12.2

Timeline

  • 2026-10-08: disclosed

References

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